124021542354045 has 64 divisors (see below), whose sum is σ = 236669015531520. Its totient is φ = 54224426158848.

The previous prime is 124021542354029. The next prime is 124021542354049. The reversal of 124021542354045 is 540453245120421.

It is not a de Polignac number, because 124021542354045 - 2⁴ = 124021542354029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124021542353988 and 124021542354006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124021542354049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18572791 + ... + 24351419.

It is an arithmetic number, because the mean of its divisors is an integer number (3697953367680).

Almost surely, 2^{124021542354045} is an apocalyptic number.

124021542354045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124021542354045 is a deficient number, since it is larger than the sum of its proper divisors (112647473177475).

124021542354045 is a wasteful number, since it uses less digits than its factorization.

124021542354045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5787554.

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 124021542354045 its reverse (540453245120421), we get a palindrome (664474787474466).

The spelling of 124021542354045 in words is "one hundred twenty-four trillion, twenty-one billion, five hundred forty-two million, three hundred fifty-four thousand, forty-five".